<div class="message-source-form"> <?php $form = ActiveForm::begin(['id' => 'message-source-form', 'validateOnBlur' => false, 'enableClientValidation' => false]); ?> <div class="row"> <div class="col-md-9"> <div class="panel panel-default"> <div class="panel-body"> <div class="row"> <div class="col-md-6"> <?php $categories = ArrayHelper::merge(MessageSource::getCategories(), [' ' => Yii::t('yee/translation', 'Create New Category')]); ?> <?php echo $form->field($model, 'category')->dropDownList($categories, ['prompt' => '']); ?> </div> <div class="col-md-6"> <div class="form-group new-category-group"> <label class="control-label" for="new-category"><?php echo Yii::t('yee/translation', 'New Category Name'); ?> </label> <input type="text" id="new-category" class="form-control" name="category" value="<?php echo Yii::$app->getRequest()->post('category');